Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 6 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2021   08:36:21   (  -0.09,-104.09) (   0.79,-108.09)  455.01                80
 06/26/2021   08:20:17   (  -0.07,-104.09) (  -0.18,-103.55)   61.46                80
 06/28/2021   20:20:52   (   0.08,-104.33) (   0.08,-104.34)    1.42                80
 07/01/2021   08:23:57   (  -0.10,-104.11) (   0.12,-105.08)  111.34                80
 07/02/2021   08:07:52   (  -0.08,-104.11) (  -0.86,-100.55)  405.74                80
 07/03/2021   20:27:12   (   0.12,-104.36) (  -0.22,-105.88)  173.34                80
 07/04/2021   20:11:07   (   0.10,-104.36) (   0.76,-101.34)  343.77                80
 07/06/2021   08:30:16   (  -0.14,-104.13) (   0.41,-106.62)  283.06                80
 07/07/2021   08:14:12   (  -0.13,-104.14) (  -0.56,-102.08)  233.76                80